# bash completion for lintian(1) and lintian-info(1)       -*- shell-script -*-

_comp_cmd_lintian__tags()
{
    local search tags check_files
    _comp_expand_glob check_files '/usr/share/lintian/checks/*.desc' || return 0

    tags=$(_comp_awk '/^Tag/ { print $2 }' "${check_files[@]}")
    if [[ $cur == *, ]]; then
        search=${cur//,/ }
        for item in $search; do
            tags=$(command sed -e "s/\<$item\>//g" <<<"$tags")
        done
        _comp_compgen -aR -- -W "$tags"
    else
        [[ $cur == ^.*, ]]
        _comp_compgen -aP "${BASH_REMATCH-}" -- -W "$tags"
    fi
}

_comp_cmd_lintian__checks()
{
    local match search todisable checks check_files
    _comp_expand_glob check_files '/usr/share/lintian/checks/*.desc' || return 0

    checks=$(_comp_awk '/^(Check-Script|Abbrev)/ { print $2 }' \
        "${check_files[@]}")
    if [[ $cur == *, ]]; then
        search=${cur//,/ }
        for item in $search; do
            match=$(command grep -nE "^(Check-Script|Abbrev): $item$" \
                "${check_files[@]}" | cut -d: -f1)
            todisable=$(_comp_awk '/^(Check-Script|Abbrev)/ { print $2 }' "$match")
            for name in $todisable; do
                checks=$(command sed -e "s/\<$name\>//g" <<<"$checks")
            done
        done
        _comp_compgen -aR -- -W "$checks"
    else
        [[ $cur == ^.*, ]]
        _comp_compgen -aP "${BASH_REMATCH-}" -- -W "$checks"
    fi
}

_comp_cmd_lintian__infos()
{
    local search infos collection_files
    _comp_expand_glob collection_files '/usr/share/lintian/collection/*.desc' || return 0

    infos=$(_comp_awk '/^Collector/ { print $2 }' \
        "${collection_files[@]}")
    if [[ $cur == *, ]]; then
        search=${cur//,/ }
        for item in $search; do
            infos=$(command sed -e "s/\<$item\>//g" <<<"$infos")
        done
        _comp_compgen -aR -- -W "$infos"
    else
        [[ $cur == ^.*, ]]
        _comp_compgen -aP "${BASH_REAMTCH-}" -- -W "$infos"
    fi
}

_comp_cmd_lintian()
{
    local cur prev words cword comp_args
    _comp_initialize -- "$@" || return

    local lint_actions general_opts behaviour_opts configuration_opts

    lint_actions="--setup-lab --remove-lab --check --check-part --tags
        --tags-from-file --ftp-master-rejects --dont-check-part --unpack
        --remove"
    general_opts="--help --version --print-version --verbose --debug --quiet"
    behaviour_opts="--info --display-info --display-experimental --pedantic
        --display-level --suppress-tags --suppress-tags-from-file --no-override
        --show-overrides --color --unpack-info --md5sums --checksums
        --allow-root --fail-on-warnings --keep-lab"
    configuration_opts="--cfg --lab --archivedir --dist --area --section --arch
        --root"

    if [[ $prev == -* ]]; then
        case $prev in
            -C | --check-part | -X | --dont-check-part)
                _comp_cmd_lintian__checks
                return
                ;;
            -T | --tags | --suppress-tags)
                _comp_cmd_lintian__tags
                return
                ;;
            --tags-from-file | --suppress-tags-from-file | --cfg | -p | \
                --packages-file)
                _comp_compgen_filedir
                return
                ;;
            --lab | --archivedir | --dist | --root)
                _comp_compgen_filedir -d
                return
                ;;
            --color)
                _comp_compgen -- -W "never always auto html"
                return
                ;;
            -U | --unpack-info)
                _comp_cmd_lintian__infos
                return
                ;;
            --area | --section)
                _comp_compgen -- -W "main contrib non-free"
                return
                ;;
            --arch)
                return
                ;;
        esac
    fi

    case "$cur" in
        --*)
            _comp_compgen -- -W "$lint_actions $general_opts $behaviour_opts
                $configuration_opts"
            ;;
        *,)
            # If we're here, the user is trying to complete on
            # --action tag,tag,<TAB>
            # Only few actions permit that, re-complete them now.
            case "$prev" in
                -C | --check-part | -X | --dont-check-part)
                    _comp_cmd_lintian__checks
                    ;;
                -T | --tags | --suppress-tags)
                    _comp_cmd_lintian__tags
                    ;;
                -U | --unpack-info)
                    _comp_cmd_lintian__infos
                    ;;
            esac
            ;;
        *)
            # in Ubuntu, dbgsym packages end in .ddeb, lintian >= 2.57.0 groks
            _comp_compgen_filedir '@(?(u|d)deb|changes|dsc|buildinfo)'
            ;;
    esac
    return 0
} &&
    complete -F _comp_cmd_lintian lintian

_comp_cmd_lintian_info()
{
    local cur prev words cword comp_args
    _comp_initialize -- "$@" || return

    case "$prev" in
        --help | --profile)
            return
            ;;
        -t | --tags)
            _comp_cmd_lintian__tags
            return
            ;;
        --include-dir)
            _comp_compgen_filedir -d
            return
            ;;
    esac

    case "$cur" in
        --*)
            _comp_compgen_help
            ;;
        *)
            _comp_compgen_filedir
            ;;
    esac
    return 0
} &&
    complete -F _comp_cmd_lintian_info lintian-info

# ex: filetype=sh
